SHANGHAI, Dec. 5, 2012 (Xinhua) -- An investor flashes a "victory" sign at a trading hall in Shanghai, east China, Dec. 5, 2012. Chinese shares closed higher on Wednesday, with the benchmark Shanghai Composite Index up 2.87 percent, or 56.76 points, to end at 2,031.91. The Shenzhen Component Index closed at 8,091.68, up 3.72 percent, or 289.93 points. (Xinhua/Pei Xin)